Tài liệu flatman_1_0103 ppt

Installed Cabling Installed Cabling - forecast to 2005 - - forecast to 2005 - Alan Flatman Alan Flatman Principal Consultant Principal Consultant LAN Technologies UK LAN Technologies UK a_flatman@compuserve.com Acknowledgements AcknowledgementsAcknowledgements Acknowledgements This study was commissioned by Cisco Systems. Base cabling market data was provided by BSRIA. Big Questions What kind of cabling for 10GBASE-T? 1. Where are we today in terms of cabling? 2. If 10GBASE-T becomes an approved 802.3 project, what will the installed cabling base look like when it is likely to be approved (early 2006)? Market Data 1. Cable types by Category/Class 2. Installation trends BC to 2005 3. National & regional variations 4. Global installed base to 2005 Data Sources BSRIA BSRIA • Building Services Research and Information Association • Cabling research since 1987 • 37 countries forecast to 2005 • Cat segmentation by country Cabling Industry Cabling Industry • providing replacement data • 10 suppliers being surveyed (owning 60% market share) • consultants also surveyed • replacement rate guide now / detailed data in March 2003 Types of Copper Cabling Types of Copper Cabling 0 10 20 30 40 50 60 70 80 1 10 100 1000 MHz MHz MHz MHz NEXT dB Ins Loss dB/100m Cable Insertion Loss & NEXT Cat 7 Cat 5 Cat 6 Cat 3 Cat 5e Channel Configuration Equipment Cable NIC Fixed Horizontal Cable Channel = 100m max Consolidation Point Work Area Cable Floor Distributor Patch Cable CP Cable Outlets Switch or hub 0 10 20 30 40 50 60 70 1 10 100 1000 Cat 7/ Class F Old Cat 5/ old Class D Cat 3/ Class C Cat 6/ Class E Channel Insertion Loss & NEXT MHz MHz MHz MHz Cat 5e/ new Class D NEXT dB Ins Loss dB/100m Channel Return Loss -20 -18 -16 -14 -12 -10 -8 1 10 100 1000 dB MH z MH z MH z MH z Cat 7/ Class F Cat 5e/ new Class D Cat 6/ Class E Cat 5/ old Class D no specification! no specification! . variations highlighted 0 10 20 30 40 50 19 84 19 85 19 86 19 87 19 88 19 89 19 90 19 91 1992 19 93 19 94 19 95 19 96 19 97 19 98 19 99 2000 20 01 2002 2003 2004 2005 Cat. equivalent to 18 million outlets • Fibre outlets 1. 5% of total shipments (BSRIA 2002) 0 1 2 3 4 19 91 1992 19 93 19 94 19 95 19 96 19 97 19 98 19 99 2000 20 01 2002 2003